The work done in expanding the gas is Q. One mole of an ideal gas expands at a constant temperature of $ 300K $ from an initial volume of $ 10 \,L $ to a final volume of $ 20 \,L $ .
Constant Value Units Usage; n Av: 6.0221×10 23: particles: Avogadro's number: R: 0.08206: L·atm/K·mol: ideal gas constant: R: 8.3145: J/K·mol: ideal gas constant: R: 1.9872: cal/K·mol: ideal gas constant: V m: 22.414: L/mol: ideal gas law @ 0°C: V m: 24.465: L/mol: ideal gas law @ 25°C: c: 2.9979×10 8: m/s: speed of light: g: 9.80665 m/s 2: standard gravity: h: 6.6261×10-34: kg·m 2 /s: Planck's constant: a 0: 5.2918×10-11: m